form method='get'

    | 请输入车牌：	

	.form-inline
	  select.form-control name="n1" style="width:80px"
	    - @area.each do |a|
	          option value="#{a}" = "#{a}"

	  select.form-control name="n2" style="width:80px"
	    - @letter.each do |l|
	          option value="#{l}" = "#{l}"

	  input.form-control type="text" name="n3" value=@n3
	  button type='submit' class="btn btn-primary" name='check' 确定







	  